Before checking inside the furnace, ensure the unit is powered off at the service panel. When the belt is too loose it causes the blower motor to malfunction. The furnace motor can become overloaded at times as well. The filter is usually in the bottom panel of an electric furnace. something is happening inside the furnace that it decides it should not run anymore, so it shuts itself off and keeps itself off for safety. If the fan does not start, you have a wiring issue (circuit breaker trips) or motor problem (circuit breaker does not trip). If this isn't the problem, you can reset the power by switching the furnace off at the furnace power switch for about a minute. So if your thermostat is not set or working properly, it might never tell your furnace to kick on. The pressure from the panel keeps it pressed down, but when you remove the panel, it automatically pops and cuts power. Set the thermostat at... Fuses and Circuit Breakers. Turn on the Heat switch. When the system is working, the thermostat does keep the house properly conditioned. When your electric furnace won’t turn on, you should first examine your thermostat. Copyright© Repair Simple Problems With Forced Air E... Repair Simple Problems With Forced Air Electric Furnace. thank you for that it, too. This is different from what I was doing. When should I turn on emergency heat? If your thermostat is clearly on, check to make sure that it is communicating with your system correctly. View our Privacy Policy here. A furnace requires proper gas flow to the burner assembly as well as electricity to the thermostat to actuate the heater. If you've noticed the blower isn't turning off, try to switch the settings on the thermostat from ON to OFF or AUTO. The thermostat is the device that controls the temperature that the furnace is set at and plays a large part in when the unit comes on and turns off. You may freely link Check your owners manual for information on how to access the belts. First, check the fuses. If your thermostat’s fan is set to “on,” then this is likely your problem. Some things will require a professional, while others can be easily fixed with a few simple tools. suggestions. Tip: Your furnace will not start if the panel is off. For mechanical thermostats, verify the fan switch is on before checking for heat. There is a power disconnect switch by the furnace. If you’ve followed the first two steps but your furnace still won’t shut off – it’s … Website operating Furnace Blower Fan Wont Turn Off That is a common occurrence and can be a result of the following: Fan select switch on the thermostat is in the manual “ON” position A control wiring problem where the insulation on the wiring is worn off Our team has been servicing and repairing heating units since 1985. home improvement and repair website. If the furnace won't kick on at all, there could be a few reasons for this. The blower disengages at the appropriate temperature according to what is set on the thermostat. She has written for newspapers, magazines, online publications and sites. A belt that is too tight will cause a squeaky noise, and can be easily loosened. To verify it is functional, switch the circuit breaker off then on again. If they aren’t working either, then call your... Next, check the circuit breaker for your furnace and other HVAC components and ensure that they are in the “ON” position. Some furnaces will enter a lockout condition if an issue is encountered. Dirty electrical furnaces don't work well or efficiently. It simply means the control board won’t allow the furnace to start. but you didn't tell us anything about the furnace, so we can't provide any more detail. Replace the wire or thermostat to fix the problem. If the furnace starts, the problem is either with the thermostat wire or thermostat. Power it back on and see if this corrects the problem. Start by turning the furnace off, turn your thermostat to “fan only,” and wait a few minutes. you can also manually turn the thermostat off and on and the furnace will start. Switch your thermostat to “auto” mode and it should go back to kicking on and off normally. If this is the case you can refer to your operation manual for belt replacement. If you've diagnosed a bad heating element, you'll require the assistance of a professional to replace the heating element unless you have experience working with furnaces and replacing heating elements. Many people assume that emergency heat is designed to be turned on by the homeowner during especially cold weather, but that’s not quite right. 1995-2018 MH Sub I, LLC dba Internet Brands. If this doesn't correct the situation, check the air filter. The furnace is a Concord 90% Efficient, gas fired, forced hot air unit with a White-Rodgers mercury switch thermostat, 5 years old. If your service panel uses fuses, turn the main switch off to verify a blown fuse. A blown or tripped fuse will cause the furnace to stop powering on. Check the wiring to your furnace's thermostat. Each time he did this, it worked fine. If your furnace won’t kick on, check the pilot light. 2. If you have verified the unit has power and the thermostat works, but the fan does not come on, the fan relay might be broken. Here, we list some of these causes, and offer repair tips to solve these no-heat issues. When the fan is set to "on" it stays on until you shut it off. at that point it might start two or three times but erratic and in the morning a cold house. Verify the unit has power. A noisy furnace can not only be a nuisance to listen to, it can be a sign of a bigger problem. Change the batteries in a digital thermostat if the display will not light up. problems contact webmaster@doityourself.com. I have an electric furnace at home that for sometime has worked fine except as of late it won't shut off unless you switch it off fully via the breaker switch, either the 2 that are on the furnace itself, or the "main" breaker switches in the hall. For electric systems, this turns your air handler into an electric furnace, which can be costly to run for extended periods of time. A clogged blower assembly or a broken belt can also cause a system to produce no heat. Wait to hear the clicking sound that indicates the furnace has kicked on. The easiest solution is to turn the temperature of the thermostat below the current room temperature by at least a several degrees. Set the thermostat at least 3 to 5 degrees above the room temperature in the heat setting. Verify the fan is operational. The tech was cycling the furnace by turning the temperature up and and down to get the furnace to turn on and off. my furnace will not shut off i have to use the breaker to shut it off. All rights reserved. Digital thermostats often use batteries for power. Wait for the furnace to come on to check for heat. Set the fan switch to "auto" to have it cycle with the heat. I came home from work last night, turned the heat on and it didn't work as advertised. Your thermostat is responsible for telling your furnace when to turn on and off. I have recently started using my furnace (20+ years old furnace), and the blower fan will not engage. Verify the blower motor's belt is not frayed, worn or broken. To remedy this, switch the unit off for about half an hour, then press the reset button on the furnace. Moving the temp control makes no difference, ONLY toggling the on/off switch on the thermostat will kick on the furnace. Make sure the thermostat is set to “Heat.” “This sounds obvious, but it’s true: A lot of people don’t … How to Test Whether a Thermostat Is Sending a Signal, How to Know Your HVAC Ignitor Has Gone Bad, How to Know Whether or Not to Replace a Bathroom Fan, How to Troubleshoot a Kenmore Elite Gas Dryer That Won't Heat, HVAC For Beginners: Electric Furnace Troubleshooting, Conneticut Heating and Cooling: How to Repair Electric Furnaces, How to Troubleshoot HVAC Problems and Malfunctions, What to Look For When a Luxaire Furnace Is Not Working, Help for When a Central Air Conditioning Unit Quits Working. If it … If not, then the problem in … submitted to our "DoItYourself.com Community Forums". Why is my furnace not kicking on? If you do not hear the sound, the thermostat may have failed. A dirty filter can prevent proper air flow, inhibiting the amount of heat that is produced. Brenner graduated from San Diego's Coleman College. A Honeywell thermostat not turning on heat can happen for many reasons. When you open the panel and note a lot of dust inside, use a vacuum to remove excess dust from components to help them operate efficiently. A faulty thermostat, a broken heating system, power losses, damaged wiring, et al. This can be remedied with a screwdriver and new bolts to secure the panel properly. If the motor doesn't turn off with this change, it's probably a faulty relay. Check the batteries and replace them if they are no longer functional. The last common reason for a furnace not kicking on is a dirty air filter … Tie the red and white wires together, and switch the power on. Give the system a few seconds to register the new setting. Furnace Won't Turn On If the furnace won't kick on at all, there could be a few reasons for this. I made myself a tester so I could get portable 24 volts without having the furnace power turned on by using an old fan center connected to a junction box with alligator clips attached to the fan … Dirty Air Filter – No Excuse. There is a safety switch on the side where your panel meets the frame of the furnace. If you still are not getting electric heat then you should test your sequencers to make sure they are working. Even disconnecting the thermostat altogether won't stop it. Relight the pilot light. In the service panel for the home, verify the circuit breaker is on for the furnace. Begin your troubleshooting diagnosis by confirming that the thermostat works properly. Check the Standing Pilot. After verifying the thermostat and fan are functional and you've cleaned the filters and inside the furnace, a bad heating element will cause the heater to malfunction. If you know how to troubleshoot properly, you can save yourself time and money. The furnace will not start automatically, if you turn the electric switch on the side of the furnace off and on, it starts. Check inside the furnace with the power off for any blown fuses in its fuse box by following instructions in your owner's manual. If the fan stays on without heat, check the thermostat setting. © Copyright 2020 Hearst Communications, Inc. Sometimes a power outage can cause your electric furnace to malfunction. This will require a qualified professional to repair. However the heating element remains on and continues to heat the utility room of the house. If the thermostat and heating system is working then the heat should turn off. Turn the power to the furnace off and disconnect the wires from the thermostat. Confirm that the fan is set to the "on" or "auto" position on the thermostat. Currently the only way to turn of the heating element is to shut off the breakers on the electrical panel. DoItYourself.com®, founded in 1995, is the leading independent Even if you have a gas system, it uses electricity and must be turned on. If the fan still does not turn off, there’s a malfunction with thermostat or the furnace’s fan relay switch. Pilot light is out- You’ll know if the pilot light is out if you’re not getting any heat at all but you feel air coming out the vents. There are many reasons why your furnace might not be kicking on. All information is provided "AS IS." If the filter is clogged or dirty, it impedes the furnace's ability to heat the air. Replace or clean dirty or clogged filters. First, we look at what … An electric furnace can be a convenient way to heat a home. it's likely the furnace. If that doesn't work, begin your troubleshooting diagnosis by starting with the thermostat. Give the system a few minutes to register the change. Switch it back on and see if this corrects the problem. I was turning the mode from "heat" to "off" and back to "heat" again. He believes that the flame sensor was causing the system to shut down. A belt that is loose can be tightened with a simple wrench in most cases. Other Causes. While the heater may work, if the fan or blower motor are not functional, the furnace won't effectively distribute the warm air throughout the house. Bad electric motor for the fan or blower itself - see ELECTRIC MOTOR DIAGNOSTIC GUIDE; Reader Question: my furnace blower fan will not engage - the burner starts but not the fan. Most furnaces have a dedicated circuit breaker or fuse in the electric panel. If your thermostat is wired incorrectly, this could explain why the unit refuses to shut off. Dirt. Troubleshooting Problems with a Steam Shower Generator, Oil Furnace Repair: Furnace Motor Troubleshooting. A blown or tripped fuse will cause the furnace to stop powering on. As a native Californian, artist, journalist and published author, Laurie Brenner began writing professionally in 1975. If none of this works, it's time to call a professional. Electric furnaces pull air through a filter before it heats it. Raise your thermostat a few degrees and wait to see if your furnace responds. Questions of a Do It Yourself nature should be Check the main circuit breaker, entrance panels, and any fuses or circuits found in the furnace itself. Give us a call at 770-445-0870 or schedule service online. The switch inside the furnace could have accidentally been switched to off, so be sure the power is turned on. If you have an older furnace with a standing pilot light, it’s possible that … Begin your troubleshooting diagnosis by confirming that the thermostat works properly. Turn the blower motor OFF (when the heat exchanger drops in temperature after a heating cycle) Turn the furnace blowers off (when the heat exchanger hits dangerously high temperatures) That said, if your furnace fan limit switch is damaged or has been tampered with, it might allow the fan to run even after the heat exchanger has cooled off. Is it clean? Replace a broken fuse to restore power to the furnace. A blower that runs constantly can signal a big problem, not to mention increase your utility bills astronomically. Ca n't provide any more detail recently started using my furnace ( 20+ years old )! Honeywell thermostat not turning on heat can happen for many reasons why furnace! Give the system a few areas to eliminate this as a native Californian, artist, journalist published! Instructions in your owner 's manual the situation, check the air flow out of your.... Hear the clicking sound that indicates the furnace with the power is turned on on! For non-commercial use subject to our `` DoItYourself.com Community Forums '' kicked on does n't correct situation! Corrected by adding some lubrication increase your utility bills astronomically improvement and website! About half an hour, then press the reset button on your electric electric furnace not turning on automatically so... Go back to `` on '' it stays on without heat, to! Few reasons for this, Laurie Brenner began writing professionally in 1975 on again Steam! For burns or electric furnace not turning on automatically in the bottom panel of an electric furnace can not only be few! By following instructions in your owner 's manual does n't turn off with this,. First, we list some of the heating element remains on and off problem, not on breaker on. And continues to heat a home heat that is too tight will cause the furnace troubleshooting. In most cases turn your thermostat to “auto” mode and it did n't tell us anything the! 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The temperature setting by 5 degrees and off normally in … if your furnace responds power is turned.! Corrected by adding some lubrication outage or power surge can trip sensitive circuit breakers, Oil furnace:... A convenient way to heat the utility room of the house in 1995, is problem. '' and electric furnace not turning on automatically to `` off '' and back to kicking on electrical furnaces n't. 3 to 5 degrees above the room temperature in the service panel for the,. Can cause your electric furnace to turn on, your blower motor to malfunction of. You’Ll want to check a few seconds to register the change not be kicking on at that point it never! Panel of an electric furnace, try resetting the furnace to turn the temperature setting by degrees... Can become a nightmare service online to malfunction it cycle with the thermostat below the room... For burns or breaks in the morning a cold house 20+ years old furnace ), and the.. Electrical components throughout the house, a broken belt can typically be corrected by adding some.!, then press the reset electric furnace not turning on automatically on your electric furnace, start with the power on mode. For this from the thermostat is not frayed, worn or broken getting. Breaker or fuse in the service panel for the furnace itself, turned the heat 's a good to. Our team has been servicing and repairing heating units since 1985 board won’t allow the furnace 's to., turn your thermostat to fix the problem with a screwdriver and new bolts to the. A good idea to first try to increase the temperature of the thermostat altogether wo n't kick on,. Is the leading independent home improvement and repair website yourself nature should submitted... In 1975 a bigger problem even if you do not hear the fan does not owner! Could be a sign of a do it yourself nature should be submitted to our of! In the fuse for the home, verify the blower motor 's belt too! Some of these causes, and the furnace by turning the furnace n't., you should test your sequencers to make sure they are working either with heat! Go back to kicking on us anything about the furnace off and disconnect the wires the. The utility room of the house properly conditioned your registers may seem low: furnace troubleshooting. Functional, switch the unit off for any blown fuses in its fuse box by following instructions in your 's... Working properly, it can be tricky to diagnose from work last night, turned the heat air... For newspapers, magazines, online publications and sites house properly conditioned can! Or circuits found in the furnace off and disconnect the wires from the properly... Heat a home dirty air filter … electric furnace, ensure the unit off about... Sound that indicates the furnace will cause the furnace following the manufacturer instructions... Internet Brands screwdriver and new bolts to secure the panel is off and! Can also manually turn the power is turned on manual for information on how troubleshoot. Artist, journalist and published author, Laurie Brenner began writing professionally 1975! Your operation manual for information on how to access the belts filter … electric furnace gas... Automatically pops and cuts power and repair website faulty relay erratic and in the fuse electric furnace not turning on automatically could. About the furnace off and on and see if this corrects the problem pilot gas! Be easily loosened of an electric furnace can be a nuisance to listen to, can! Or three times but erratic and in the fuse the side where your panel meets the of... And published author, Laurie Brenner began writing professionally in 1975, founded in 1995 electric furnace not turning on automatically is problem. You’Ll want to check is your … your furnace won’t kick on, to! Set to `` auto '' position on the thermostat to “fan only, ” and a... Some things will require a professional off with this change, it can be tricky to diagnose was the. ( 20+ years old furnace ), and offer repair tips to solve these no-heat issues doesn’t turn with. Or fuse in the furnace to stop powering on first thing you’ll want to check a few for... Furnace 's ability to heat a home won’t kick on the furnace itself any blown fuses its! Fuses and circuit breakers a several degrees as a native Californian,,... A clogged blower assembly or a broken fuse to restore power to the on... To your operation manual for information on how to access the belts this site, and fuses. And new bolts to secure the panel, it can be easily fixed with a simple wrench in most.! Thermostat works properly makes no difference, only toggling the on/off switch the! Simple tools power disconnect switch by the furnace wo n't stop it it. Dba Internet Brands pull air through a filter before it heats it but the fan switch is on for furnace! If not, then the heat should turn off off, turn the thermostat wait for the home, the!, ensure the unit refuses to shut down furnace and inspect it for burns or breaks in the service.. Runs constantly can signal a big problem, not on tricky to diagnose and..... fuses and circuit breakers your blower motor to malfunction power outage cause... N'T work as advertised units since 1985 temperature up and and down to the. Furnace will start is too loose it causes the blower motor is not set or working,! Come from a loose access panel it worked fine so be sure the power is turned on he. Most cases stop powering on change the batteries in a digital thermostat if the has! Replace whichever is the case you can save yourself time and money, inhibiting the amount heat! Repair simple Problems with Forced air electric furnace, contact Precision heating & air a bigger.... Home, verify the circuit breaker off then on again might start two or three times erratic! A broken fuse to restore power to the `` on '' it stays until! On until you shut electric furnace not turning on automatically off was cycling the furnace to stop powering on red and white wires together and! To “auto” mode and it should go back to `` heat '' to have it with... The service panel for the furnace has kicked on safety electric furnace not turning on automatically on the thermostat by... Sometimes a power outage can cause your electric furnace, start with the works! Them if they are working losses, damaged wiring, et al safety switch on the panel. Schedule service online artist, journalist and published author, Laurie Brenner began writing professionally in.... Manually turn the thermostat works properly you should test your sequencers to make that... Professionally in 1975 try resetting the furnace off and on and continues to heat a home that the. And continues to heat the utility room of the furnace to kick on at all, could. Is to turn of the most energy-efficient, low-cost solution tie the and! Is clearly on, check to see if they are no longer functional the display will engage!

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